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This book really shaped my views on luxury

https://www.amazon.com/Trading-Up-Consumers-Goods-Companies-...

I really liked the parts where they talk about how new luxury items are often based on some technical aspect that makes the new product much better than what was there before.

I remember one point about how the old luxury was based on rarity. People with a nice watch didn't want to see others wearing the same watch. But with high end mountain bikes it is actually very cool to see others on the trail with the same gear.

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